* libparted/arch/linux.c (get_minimum_alignment): New function.
(get_optimum_alignment): New function.
---
libparted/arch/linux.c | 34 +++++++++++++++++++++++++++++++++-
1 files changed, 33 insertions(+), 1 deletions(-)
diff --git a/libparted/arch/linux.c b/libparted/arch/linux.c
index a03c80d..a87f7e2 100644
--- a/libparted/arch/linux.c
+++ b/libparted/arch/linux.c
@@ -2523,6 +2523,34 @@ linux_disk_commit (PedDisk* disk)
return 1;
}
+#if USE_BLKID
+PedAlignment*
+linux_get_minimum_alignment(const PedDevice *dev)
+{
+ blkid_topology tp = LINUX_SPECIFIC(dev)->topology;
+
+ if (!tp || blkid_topology_get_minimum_io_size(tp) == 0)
+ return NULL; /* ped_alignment_none */
+
+ return ped_alignment_new(
+ blkid_topology_get_alignment_offset(tp) / dev->sector_size,
+ blkid_topology_get_minimum_io_size(tp) / dev->sector_size);
+}
+
+PedAlignment*
+linux_get_optimum_alignment(const PedDevice *dev)
+{
+ blkid_topology tp = LINUX_SPECIFIC(dev)->topology;
+
+ if (!tp || blkid_topology_get_optimal_io_size(tp) == 0)
+ return NULL; /* ped_alignment_none */
+
+ return ped_alignment_new(
+ blkid_topology_get_alignment_offset(tp) / dev->sector_size,
+ blkid_topology_get_optimal_io_size(tp) / dev->sector_size);
+}
+#endif
+
static PedDeviceArchOps linux_dev_ops = {
_new: linux_new,
destroy: linux_destroy,
@@ -2536,7 +2564,11 @@ static PedDeviceArchOps linux_dev_ops = {
check: linux_check,
sync: linux_sync,
sync_fast: linux_sync_fast,
- probe_all: linux_probe_all
+ probe_all: linux_probe_all,
+#if USE_BLKID
+ get_minimum_alignment: linux_get_minimum_alignment,
+ get_optimum_alignment: linux_get_optimum_alignment,
+#endif
};
PedDiskArchOps linux_disk_ops = {
--
1.6.5.1
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